package com.yunxi.core.base;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

public class AgeUtil {
   public static int getAgeByBirth(Date birthday) {
      int age = 0;
      try {
         Calendar now = Calendar.getInstance();
         now.setTime(new Date());// 当前时间

         Calendar birth = Calendar.getInstance();
         birth.setTime(birthday);

         if (birth.after(now)) {//如果传入的时间，在当前时间的后面，返回0岁
            age = 0;
         } else {
            age = now.get(Calendar.YEAR) - birth.get(Calendar.YEAR);
            if (now.get(Calendar.DAY_OF_YEAR) > birth.get(Calendar.DAY_OF_YEAR)) {
               age += 1;
            }
         }
         return age;
      } catch (Exception e) {//兼容性更强,异常后返回数据
         return 0;
      }
   }

}
